Hot water supply. Indoor unit. Domestic hot water tank. Take thermal energy from atmosphere. Outdoor unit

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1 Efficient and comfortable heating solution ATERSTAGE is a safe, comfortable, and efficient water heating system by adopting heat pump technology that utilizes the heat in the air. This system provides support for space heating and water heating. This ATERSTAGE uses very little electric energy to efficiently absorb heat from the atmosphere by adopting an inverter heat pump. A small environmental load heat source system can be economically realized by using this heat energy to produce hot water for radiator, floor heating or domestic hot water. Flexible and comfortable heating solution for new building and refurbishment house Domestic hot water Hot water supply Domestic hot water tank Take thermal energy from atmosphere configuration air ater heat exchanger improves heating efficiency system Refrigerant Hot water Evaporator Compressor Heat is most efficiency system Absorbing the free energy from atmosphere. Heat pump system requires only 1k of electricity to generate 3 to 5 k thermal energy. 2~4 kh Ambient air Heat 1 kh electicity 3~5 kh of heat PRODUCTS CATALOGUE

2 SYA050DA SYA065DA SYA080DA SYA095DA SYA128DA SYA5DA AOYA24LALL AOYALBTL High Efficiency High Air to water heat pumps work with much more efficiency and save more energy than a traditional heating system. Highly efficient water heat exchanger Double-pipe water heat exchanger with built-in tank to reduce loss (Coefficient of Performance) Fuel boiler 0.85 *The data refer to 6k type Condition : Temp. 7 C Heating Temp 35 C. arm refrigerant flow Electric heater 1.00 ATERSTAGE Heated water Technology DC inverter with R410A Low ambient temperature performance High Temperature Constant Achieves excellent heating performance even at an outdoor air temperature of -ºC. Time V-PAM inverter technology Smooth capacity control High Reliability High Clean and Durability Corrosion protected No fouling through heat exchanger construction Hot water is permanently available Heating until - C Stainless steel buffer tank Optimum co-axial heat exchanger Antifreeze is unnecessary 0 09 PRODUCTS CATALOGUE

3 Intelligent Control System Intelligent regulation Intelligent operation system of ATERSTAGE system is provided to regulate the efficient and comfortable temperature according to your needs. Automatic temperature regulation in accordance with heating curve (depends on terminal and outdoor temperature). 2 Zone individual control (2 under floor heating zones or under floor heating + radiator zone, etc.)* *Optional parts are required. 2nd Circuit Kit 2 Zone individual control Floor heating ~50 C ~ C ater temperature regulation can be combined with Room thermostat.* Additional electric heater control for backup Domestic hot water management with hot water tank* Boiler docking is possible* Cooling operation is possible* Swimming pool heating* Anti legionella function Room Thermostat UT-C55XA Smart operation Simple design system Hourly, Daily, eekly programming operation Holiday operation mode Operation status display Error display / Error history Design Versatility Installation example The water heating system can be freely constructed for a wide range of applications from floor heating to hot water showers. Single heating system 2 system simultaneous heating (Individual control) + 3 types of heat distribution System for low outdoor air temperatures + + Sanitary hot water (additional heating boiler connection) + + Sanitary hot water Hot water shower Tank Boiler Tank Hot water shower 09 PRODUCTS CATALOGUE 1

4 Lineup Capacity range (k) Model name SYA050DA SYA065DA SYA080DA SYA095DA SYA128DA SYA5DA AOYA24LALL AOYALBTL Optional parts 2nd Circuit Kit Boiler Connection Kit Balancing Vessel UT-KZSXA UT-KBSXA UT-TEVXA DH Kit DH Tank 0L DH Tank 0L High Flow Rate Circulating Kit UT-KDXA UT-TXA UT-TXA UT-PHFXA Swimming Pool Kit Heat exchanger for swiming pool Cooling Kit Cooling Kit (High flow rate) UT-KSPXA UT-ESPXA UT-KCLXA UT-KCHXA Remote Control Room Thermostat UT-C75XA UT-C55XA 2 09 PRODUCTS CATALOGUE

5 Dimensions Models: SYA050DA / SYA065DA / SYA080DA SYA095DA / SYA128DA / SYA5DA (Unit : mm) Ø M 26x34 Ø M 26x34 Specifications Capacity (k) ºC/+35ºC floor heating Input power ºC/+35ºC floor heating Input power ºC/+45ºC radiators Input power ºC/+35ºC radiators Input power Electric heater 2 x 00 2 x 00 Model name SYA050DA SYA065DA Dimensions H x x D mm Net weight / filld weight kg Hydaulic characteristics Buffer tank capacity I Expansion Vessel capacity I ater flow rate (min./max.) 4 C ΔT C I/h 5 / / 10 Electrical connections Power source Circuit breaker A Model name Power source Rated current A 8.3 Circuit breaker A Dimensions H x x D mm 578 x 790 x 0 eight kg Noise level *1 dba 39 Operation range C Refrigerant Cooling characteristics Connection pipe diameter Liquid mm Gas Ø12.7 Refrigerant charge g 1250 Min. / max. length m 5 / 25 Max. height difference m Max. pipe length (chargeless) m Additional charge amount per 1m g x 00 SYA080DA 860 / x 450 x / V~, 50Hz AOYA24LALL AOYALBTL 2V~, 50Hz x 790 x ~24 R410A / *1. Sound pressure level measured at distance of 5m from the device and at a height of 1.5m above ground in free field x 00 SYA095DA 1000 / x 900 x / x 00 SYA128DA 1380 / x 900 x / x 00 SYA5DA 70 / x 900 x Ø6.35 Ø6.35 Ø9.52 Ø9.52 Ø9.52 Ø.88 Ø.88 Ø.88 Ø.88 5 / PRODUCTS CATALOGUE 3